Inventor · disambiguated record
Keishi Takenaka
Also filed as: TAKENAKA KEISHI
4 granted patents·46 citations·filing 1996–2004
72Inventor score
Files withDAISO CO LTD4
Top patents by PatentIndex Score
4 records- 0180US5780650AProcess for preparation of 1,4-benzodioxane derivativeDAISO CO LTD·Filed 1996·Granted Jul 14, 1998·32 cites·8 claims
- 0263US5965753AProcess for preparation of glycidyl sulfonate derivativeDAISO CO LTD·Filed 1997·Granted Oct 12, 1999·13 cites·10 claims
- 0348US7256305B2Process for producing β-hydroxyesterDAISO CO LTD·Filed 2004·Granted Aug 14, 2007·1 cites·13 claims
- 0427US6080895AProcess of producing catechol derivativesDAISO CO LTD·Filed 1996·Granted Jun 27, 2000·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →